DOKK / manpages / debian 12 / allegro5-doc / al_set_new_display_adapter.3alleg5.en
al_set_new_display_adapter(3alleg5) al_set_new_display_adapter(3alleg5)

al_set_new_display_adapter - Allegro 5 API

#include <allegro5/allegro.h>
void al_set_new_display_adapter(int adapter)
    

Sets the adapter to use for new displays created by the calling thread. The adapter has a monitor attached to it. Information about the monitor can be gotten using al_get_num_video_adapters(3alleg5) and al_get_monitor_info(3alleg5).

To return to the default behaviour, pass ALLEGRO_DEFAULT_DISPLAY_ADAPTER.

al_get_num_video_adapters(3alleg5), al_get_monitor_info(3alleg5)

Allegro reference manual